Home / 13,106,691.40-19,660,037.10-7,367,128.60

Finding the Fourth Proportional to 13,106,691.40, 19,660,037.10 and 7,367,128.60

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Solution

The fourth proportional to 13,106,691.40, 19,660,037.10 and 7,367,128.60 is: 11,050,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,106,691.40 : 19,660,037.10 = 7,367,128.60 : x
  2. Step 2: Convert to fraction form
    13,106,691.40/19,660,037.10 = 7,367,128.60/x
  3. Step 3: Cross multiply
    13,106,691.40x = 19,660,037.10 × 7,367,128.60
  4. Step 4: Simplify right side
    13,106,691.40x = 144,838,021,596,471.06
  5. Step 5: Solve for x
    x = 144,838,021,596,471.06/13,106,691.40
  6. Step 6: Final answer
    x = 11,050,692.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.